Engine compartment ne'er the the distributer
A 1997 Jeep Grand Cherokee has one ignition coil.
Replace the ignition coil.
there is a coil on each plug
YesYes
It could.
The coil is on the passenger side of the engine
The 1999 Jeep Cherokee ignition coil used a black wire for the negative wire. The negative wire should be on the left post.
Have you already replaced the coil?
1993 Jeep Cherokee Ignition Wiring ...
Yes, it is on the front passenger side corner of the engine.
No. A 1997 does not use a coil rail.
it could be the coil pick up in your distributor